:root {
  color-scheme: light;
  --policy-ink: #15223d;
  --policy-muted: #5e6b86;
  --policy-line: #dbe3f0;
  --policy-tint: #f5f8fd;
  --policy-primary: #1d4ed8;
  --policy-dark: #0a1330;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--policy-ink);
  background: #fff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--policy-primary); text-underline-offset: .2em; }
a:hover { color: #1437a8; }
code { padding: .08em .35em; border-radius: .35em; background: #eef3fd; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }
.policy { width: min(100% - 32px, 960px); margin: 0 auto; }
.policy-header { padding: 74px 0 46px; border-bottom: 1px solid var(--policy-line); }
.policy-kicker, .section-number { margin: 0; color: var(--policy-primary); font-size: .78rem; font-weight: 800; letter-spacing: .16em; }
.policy-header h1 { margin: 10px 0 18px; color: var(--policy-dark); font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.25; letter-spacing: .02em; }
.policy-lead { max-width: 760px; margin: 0; color: var(--policy-muted); font-size: 1.03rem; }
.policy-meta { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 26px 0 0; color: var(--policy-muted); font-size: .9rem; }
.policy-meta div { display: flex; gap: 10px; }
.policy-meta dt { font-weight: 700; }
.policy-meta dd { margin: 0; }
.policy-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 22px; margin: 30px 0 0; padding: 22px 24px; border: 1px solid var(--policy-line); border-radius: 16px; background: var(--policy-tint); }
.policy-nav a { font-size: .92rem; font-weight: 700; }
.policy-section { padding: 52px 0; border-bottom: 1px solid var(--policy-line); }
.policy-section h2 { margin: 4px 0 18px; color: var(--policy-dark); font-size: clamp(1.35rem, 3vw, 1.85rem); line-height: 1.4; }
.policy-section p { margin: 0 0 16px; }
.policy-section ul, .policy-section ol { margin: 0 0 18px; padding-left: 1.5em; }
.policy-section li + li { margin-top: 8px; }
.info-list { margin: 0; border-top: 1px solid var(--policy-line); }
.info-list div { display: grid; grid-template-columns: 10em 1fr; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--policy-line); }
.info-list dt { font-weight: 700; }
.info-list dd { margin: 0; }
.note { padding: 16px 18px; border-left: 4px solid #8aa7e8; background: var(--policy-tint); color: #465575; font-size: .92rem; }
.table-wrap { overflow-x: auto; margin: 24px 0; border: 1px solid var(--policy-line); border-radius: 12px; }
table { width: 100%; min-width: 700px; border-collapse: collapse; font-size: .88rem; line-height: 1.7; }
caption { padding: 14px 16px; background: var(--policy-dark); color: #fff; text-align: left; font-weight: 700; }
th, td { padding: 14px 16px; border-top: 1px solid var(--policy-line); vertical-align: top; text-align: left; }
thead th { background: var(--policy-tint); font-weight: 700; }
tbody th { width: 25%; background: #fbfcff; font-weight: 700; }
tbody th span { color: var(--policy-muted); font-size: .84em; font-weight: 500; }
.contact-card { padding: 18px 20px; border-radius: 12px; background: var(--policy-tint); }
.contact-card strong { color: var(--policy-dark); }
.policy-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 34px 0 60px; color: var(--policy-muted); font-size: .88rem; }
.policy-footer p { margin: 0; }
.back-link { font-weight: 700; }

@media (max-width: 640px) {
  .policy { width: min(100% - 24px, 960px); }
  .policy-header { padding-top: 48px; }
  .policy-nav { grid-template-columns: 1fr; padding: 18px; }
  .policy-section { padding: 40px 0; }
  .info-list div { grid-template-columns: 1fr; gap: 2px; }
  .policy-meta { display: block; }
  .policy-meta div + div { margin-top: 4px; }
  .policy-footer { display: block; }
  .policy-footer p { margin-top: 16px; }
}